APPARATUS AND METHOD FOR RESELECTING A PUBLIC LAND MOBILE NETWORK IN A MOBILE COMMUNICATION TERMINAL

摘要

Provided are an apparatus and a method for reselecting a Public Land Mobile Network (PLMN) in a mobile communication terminal. The method includes requesting the updating of location registration to a target PLMN after storing current system information, determining whether a Subscriber Identify Module (SIM) card is valid when it fails to update the location registration, and resetting the SIM card to a previous state and then, reading the stored current system information to request the updating of location registration in the current PLMN when the SIM card is invalid.